   [
    {:type :primitive-round-rect
     :params {:l 20 :t 10 :w 140 :h 140
-             :arc-radius 20 :arc-height 20
+             :arc-radius 20
              :filled true :color Color/RED}}
    {:type :primitive-ellipse
     :params {:l 25 :t 15 :w 110 :h 90

                    :size 100}}}
   {:type :primitive-line
    :params {:x 180 :y 120 :w 0 :h 150 :color Color/RED
             :stroke {:width 15 :cap :round}
             :alpha 0.7}}
   {:type :primitive-line
    :params {:x 180 :y 120 :w 30 :h 0 :color Color/RED}}
   {:type :primitive-arc
    :params {:l 40 :t 30 :w 100 :h 100
             :start-angle 10 :arc-angle 100 :color Color/GREEN

   {:type :primitive-polygon
    :params {:vertices [{:x 100 :y 100}
                        {:x 50 :y 150}
                        {:x 50 :y 220}
                        {:x 160 :y 250}]
             :filled false
             :closed false
             :color Color/ORANGE
             :alpha 0.8
             :stroke {:width 25
                      :dashes [20 3 10 3 5 3]
                      :cap :butt
                      :join :bevel
                      :miter-limit 10.0}}}
   {:type :primitive-text
    :params {:x 180 :y 120 :text "TEST"
             :color Color/BLUE
             :alpha 0.5
             :font {:name "Arial"
                    :bold true
                    :italic false
                    :underline true
